diff options
Diffstat (limited to 'llvm/test/CodeGen/AVR/atomics/store.ll')
| -rw-r--r-- | llvm/test/CodeGen/AVR/atomics/store.ll | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AVR/atomics/store.ll b/llvm/test/CodeGen/AVR/atomics/store.ll new file mode 100644 index 00000000000..e1231c21e7d --- /dev/null +++ b/llvm/test/CodeGen/AVR/atomics/store.ll @@ -0,0 +1,37 @@ +; RUN: llc -mattr=avr6 < %s -march=avr | FileCheck %s + +; CHECK-LABEL: atomic_store8 +; CHECK: in r0, 63 +; CHECK-NEXT: cli +; CHECK-NEXT: st [[RD:(X|Y|Z)]], [[RR:r[0-9]+]] +; CHECK-NEXT: out 63, r0 +define void @atomic_store8(i8* %foo) { + store atomic i8 1, i8* %foo unordered, align 1 + ret void +} + +; CHECK-LABEL: atomic_store16 +; CHECK: in r0, 63 +; CHECK-NEXT: cli +; CHECK-NEXT: st [[RD:(X|Y|Z)]], [[RR:r[0-9]+]] +; CHECK-NEXT: std [[RD]]+1, [[RR:r[0-9]+]] +; CHECK-NEXT: out 63, r0 +define void @atomic_store16(i16* %foo) { + store atomic i16 1, i16* %foo unordered, align 2 + ret void +} + +; CHECK-LABEL: atomic_store32 +; CHECK: call __sync_lock_test_and_set_4 +define void @atomic_store32(i32* %foo) { + store atomic i32 1, i32* %foo unordered, align 4 + ret void +} + +; CHECK-LABEL: atomic_store64 +; CHECK: call __sync_lock_test_and_set_8 +define void @atomic_store64(i64* %foo) { + store atomic i64 1, i64* %foo unordered, align 8 + ret void +} + |
